package org.example.source;

import org.apache.flink.api.common.eventtime.WatermarkStrategy;
import org.apache.flink.connector.file.src.FileSource;
import org.apache.flink.connector.file.src.reader.TextLineInputFormat;
import org.apache.flink.core.fs.Path;
import org.apache.flink.streaming.api.datastream.DataStreamSource;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;

public class FileDemo {
    public static void main(String[] args) throws Exception {
        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();

        FileSource<String> source = FileSource.forRecordStreamFormat(new TextLineInputFormat(), new Path("input/word.txt")).build();
        DataStreamSource<String> stringDataStreamSource = env.fromSource(source, WatermarkStrategy.noWatermarks(), "file source");
        stringDataStreamSource.print();
        env.execute("File DEMO");
    }
}
